098
CDUS43 KLOT 212134
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT TUE APR 21 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 21 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 75 2:59 PM 88 1985 61 14 61
MINIMUM 50 4:37 AM 27 1986 42 8 45
AVERAGE 63 52 11 53
PRECIPITATION (IN)
TODAY T 1.08 1973 0.13 -0.13 0.03
MONTH TO DATE 6.09 2.48 3.61 1.99
SINCE MAR 1 10.63 4.93 5.70 4.98
SINCE JAN 1 13.32 8.89 4.43 7.48
SNOWFALL (IN)
TODAY 0.0 0.6 1903 0.0 0.0 0.0
MONTH TO DATE 0.0 1.1 -1.1 T
SINCE MAR 1 1.8 6.6 -4.8 2.8
SINCE JUL 1 34.1 38.2 -4.1 17.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 2 14 -12 12
MONTH TO DATE 260 361 -101 366
SINCE MAR 1 909 1169 -260 996
SINCE JUL 1 5269 5638 -369 5131
COOLING
TODAY 0 0 0 0
MONTH TO DATE 16 0 16 3
SINCE MAR 1 17 2 15 3
SINCE JAN 1 17 2 15 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 13.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 6:00 AM
LOWEST 41 12:00 AM
AVERAGE 50
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 91 1980
MINIMUM TEMPERATURE (F) 43 24 1986
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 6:02 AM CDT SUNSET 7:39 PM CDT
APRIL 22 2026.........SUNRISE 6:00 AM CDT SUNSET 7:41 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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